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General Port Protection Solutions

Littelfuse General Port Protection provides a wide array of solutions for power and communication ports. Ports need protection from common electrical hazards such as lightning surges, induced power surges, power cross, electrical fast transient, electrostatic discharge, and short-circuits due to aging wires or installation errors. Littelfuse General Port Protection products are ideal for automotive, building automation, consumer electronics, and industrial applications.

All Results (982)

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Part #

Thyristor Surge Protection Devices - TSPD 50A 90V

P1100SALRP
Littelfuse
1: ¥274.1
4,643In Stock

Mfr. Part #
P1100SALRP

Mouser Part #
576-P1100SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 90V

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Datasheet

4,643In Stock

Cut Tape

¥274.1

¥174.4

¥114.8

¥90.4

¥76.6

Reel

¥71.4

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term

SG420
Littelfuse
1: ¥237.5
2,545In Stock

Mfr. Part #
SG420

Mouser Part #
576-SG420

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term

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Datasheet

2,545In Stock

Cut Tape

¥237.5

¥166.1

¥130.1

¥117.8

Reel

¥105.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 5.5 VDC .05J 39V-CL 210PF P

V5.5MLA0402LNR
Littelfuse
1: ¥61.5
11,288In Stock

Mfr. Part #
V5.5MLA0402LNR

Mouser Part #
576-V5.5MLA0402LNR

Littelfuse

Varistors 5.5 VDC .05J 39V-CL 210PF P

Learn More

Datasheet

11,288In Stock

Cut Tape

¥61.5

¥37

¥32.2

¥29.7

View

Reel

¥21.6

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE SMT GDT

GTCS28-750M-R05-2
Littelfuse
1: ¥320.6
1,773In Stock

Mfr. Part #
GTCS28-750M-R05-2

Mouser Part #
650-GTCS28-750MR05-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE SMT GDT

Learn More

Datasheet

1,773In Stock

Cut Tape

¥320.6

¥313.9

¥304

Reel

¥240.8

¥217.6

¥206

MouseReel Available

Min.: 1
Mult.: 1

: 500

Thyristor Surge Protection Devices - TSPD 500A 75V

P0900SCLRP
Littelfuse
1: ¥338.8
597In Stock
2,500Expected 9/10/2026

Mfr. Part #
P0900SCLRP

Mouser Part #
576-P0900SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 75V

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Datasheet

597In Stock

2,500Expected 9/10/2026

Cut Tape

¥338.8

¥212.6

¥140

¥111

¥94.5

Reel

¥84.7

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 30V 5mm Phenolic UltraMOV

V05P30P
Littelfuse
1: ¥129.6
58In Stock

Mfr. Part #
V05P30P

Mouser Part #
576-V05P30P

Littelfuse

Varistors 30V 5mm Phenolic UltraMOV

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Datasheet

58In Stock

¥129.6

¥77.2

¥53.5

¥49.7

View

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 100A 320V

P3500SBLRP
Littelfuse
1: ¥313.9
43In Stock

Mfr. Part #
P3500SBLRP

Mouser Part #
576-P3500SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 320V

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Datasheet

43In Stock

Cut Tape

¥313.9

¥197.7

¥123.2

¥97

Reel

¥78.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM

CG90LSN
Littelfuse
1: ¥566.4
21In Stock

Mfr. Part #
CG90LSN

Mouser Part #
576-CG90LSN

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM

Datasheet

21In Stock

¥566.4

¥433.5

¥287.4

¥285.7

Min.: 1
Mult.: 1

Varistors 11V 5mm Phenolic UltraMOV

V05P11P
Littelfuse
1: ¥129.6
3,728In Stock

Mfr. Part #
V05P11P

Mouser Part #
576-V05P11P

Littelfuse

Varistors 11V 5mm Phenolic UltraMOV

Learn More

Datasheet

3,728In Stock

¥129.6

¥77.2

¥53.5

¥49.7

View

Min.: 1
Mult.: 1

Varistors 23V 5mm Phenolic UltraMOV

V05P23P
Littelfuse
1: ¥129.6
4,120In Stock

Mfr. Part #
V05P23P

Mouser Part #
576-V05P23P

Littelfuse

Varistors 23V 5mm Phenolic UltraMOV

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Datasheet

4,120In Stock

¥129.6

¥77.2

¥53.5

¥49.7

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 2POLE SMT GDT

GTCS28-231M-R10-2
Littelfuse
1: ¥596.3
279In Stock

Mfr. Part #
GTCS28-231M-R10-2

Mouser Part #
650-GTCS28-231MR10-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 2POLE SMT GDT

Learn More

Datasheet

279In Stock

Cut Tape

¥596.3

¥388.7

¥317.3

Reel

¥240.8

MouseReel Available

Min.: 1
Mult.: 1

: 500

Cartridge Fuses 250V .175A Slo-Blo 3AG

0313.175HXP
Littelfuse
1: ¥350.5
719In Stock

Mfr. Part #
0313.175HXP

Mouser Part #
576-0313.175HXP

Littelfuse

Cartridge Fuses 250V .175A Slo-Blo 3AG

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Datasheet

719In Stock

¥350.5

¥292.3

¥269.1

¥235.9

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .8A Slo-Blo 3AG

0313.800MXP
Littelfuse
1: ¥224.2
1,697In Stock

Mfr. Part #
0313.800MXP

Mouser Part #
576-0313.800MXP

Littelfuse

Cartridge Fuses 250V .8A Slo-Blo 3AG

Learn More

Datasheet

1,697In Stock

¥224.2

¥196

¥184.4

¥158.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.8A Slo-Blo

031301.8MXP
Littelfuse
1: ¥264.1
1,007In Stock

Mfr. Part #
031301.8MXP

Mouser Part #
576-031301.8MXP

Littelfuse

Cartridge Fuses 250V 1.8A Slo-Blo

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Datasheet

1,007In Stock

¥264.1

¥219.3

¥202.6

¥169.4

View

Min.: 1
Mult.: 1

Varistors 11V 7mm Epoxy UltraMOV

V07E11P
Littelfuse
1: ¥68.1
4,444In Stock

Mfr. Part #
V07E11P

Mouser Part #
576-V07E11P

Littelfuse

Varistors 11V 7mm Epoxy UltraMOV

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Datasheet

4,444In Stock

¥68.1

¥47.2

¥42.2

¥37

View

Min.: 1
Mult.: 1

Varistors 50V 10mm Epoxy UltraMOV

V10E50P
Littelfuse
1: ¥63.1
5,527In Stock

Mfr. Part #
V10E50P

Mouser Part #
576-V10E50P

Littelfuse

Varistors 50V 10mm Epoxy UltraMOV

Learn More

Datasheet

5,527In Stock

¥63.1

¥44.3

¥39.7

¥34.4

View

Min.: 1
Mult.: 1

Varistors 250V 14mm Epoxy UltraMOV

V14E250PL2T1
Littelfuse
1: ¥91.4
2,578In Stock

Mfr. Part #
V14E250PL2T1

Mouser Part #
576-V14E250PL2T1

Littelfuse

Varistors 250V 14mm Epoxy UltraMOV

Learn More

Datasheet

2,578In Stock

Cut Tape

¥91.4

¥76.6

¥70.1

¥61.3

Reel

¥45.3

View

Min.: 1
Mult.: 1

: 500

Varistors 300V 14mm Epoxy UltraMOV

V14E300PL1T
Littelfuse
1: ¥94.7
3,592In Stock

Mfr. Part #
V14E300PL1T

Mouser Part #
576-V14E300PL1T

Littelfuse

Varistors 300V 14mm Epoxy UltraMOV

Learn More

Datasheet

3,592In Stock

Cut Tape

¥94.7

¥79.6

¥72.6

¥63.5

Reel

¥47

View

Min.: 1
Mult.: 1

: 400

Varistors 25V 14mm Phenolic UltraMOV

V14P25P
Littelfuse
1: ¥227.6
847In Stock

Mfr. Part #
V14P25P

Mouser Part #
576-V14P25P

Littelfuse

Varistors 25V 14mm Phenolic UltraMOV

Learn More

Datasheet

847In Stock

¥227.6

¥139.4

¥124.1

¥102

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 2POLE AXIAL LEADS GDT

GTCA26-900M-R05
Littelfuse
1: ¥634.5
150In Stock

Mfr. Part #
GTCA26-900M-R05

Mouser Part #
650-GTCA26-900M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

150In Stock

¥634.5

¥416.9

¥308.9

¥275.7

¥240.8

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT

GTCA28-402M-R03
Littelfuse
1: ¥769
100In Stock
1,000Expected 8/13/2026

Mfr. Part #
GTCA28-402M-R03

Mouser Part #
650-GTCA28-402M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

100In Stock

1,000Expected 8/13/2026

¥769

¥588

¥486.7

¥398.6

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: ¥780.7
83In Stock
12,000On Order

Mfr. Part #
SP4042-02UTG

Mouser Part #
576-SP4042-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Learn More

Datasheet

83In Stock

12,000On Order

Cut Tape

¥780.7

¥514.9

¥363.8

¥320.6

Reel

¥260.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD 100A 140V

P1500SBLRP
Littelfuse
1: ¥299
2,490In Stock

Mfr. Part #
P1500SBLRP

Mouser Part #
576-P1500SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 140V

Learn More

Datasheet

2,490In Stock

Cut Tape

¥299

¥189.4

¥126.7

¥100.2

Reel

¥85.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 14V 5mm Epoxy UltraMOV

V05E14P
Littelfuse
1: ¥117.9
4,357In Stock

Mfr. Part #
V05E14P

Mouser Part #
576-V05E14P

Littelfuse

Varistors 14V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,357In Stock

¥117.9

¥69.8

¥48.3

¥44.8

View

Min.: 1
Mult.: 1

Varistors 95V 5mm Epoxy UltraMOV

V05E95P
Littelfuse
1: ¥114.6
4,400In Stock

Mfr. Part #
V05E95P

Mouser Part #
576-V05E95P

Littelfuse

Varistors 95V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,400In Stock

¥114.6

¥68.4

¥45.3

¥42

View

Min.: 1
Mult.: 1

General Port Protection Solutions

All Results (982)

Circuit Protection

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